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Don MacArthur

Don MacArthur is a Guest Contributor to In Compliance Magazine. He has over 30 years of experience in product development, EMC, testing, and product safety compliance. He has developed products for military, commercial, and industrial applications.

From This Author

Practical Engineering: Standards for Electricity Meters and Other Similar Devices

Electricity meters and other similar devices have their own set of unique standards and requirements.

Product Insights: Antenna Factor

There are many properties of antennas used to describe their performance. The antenna factor is most useful to those performing electric field radiated emissions measurements.

Practical Engineering: Pre-compliance for Product Safety

If pre-compliance activities are good for discovering EMC design weaknesses early in product development, why not apply the same thought process to product safety?

Product Insights: Charged Device Model ESD Testing

This blog explains CDM ESD testing using the field-induced (FI) method, which is important for semiconductor manufacturers. It covers building a CDM-FI tester, waveform details and verification, and qualification nuances. 

Practical Engineering: X1 vs X2 Capacitor Types and How to Select the Correct Type

This month's blog explains X-type capacitors, which suppress emissions in switch-mode power supplies and variable drives.
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Product Insights:Amplifier Operational Classes and Other Important RF Amplifier Specifications

To avoid costly errors in selection, invest the time upfront to gain a basic yet thorough grasp of key amplifier specifications and operating principles before identifying the optimal model for your application needs.

Practical Engineering: The Importance of Reading

Making time for even just 30 minutes of focused reading each day will keep you on the path of continuous learning.

What Every Electronics Engineer Needs to Know About: Working with EMC Test Labs

Choosing an EMC test lab to work with is one of the most important decisions any electronics design engineer or product developer has to make.

Low-Frequency Magnetic Field Shielding

Occasionally, we are asked to help develop shielding effective for near-field low-frequency (LF) magnetic fields, perhaps in a situation where some regulatory agency has imposed limits on LF magnetic field emissions of our product, and we are forced to comply.

Capacitor Technologies Used in Filtering

Although understanding each capacitor type and behavior is daunting and difficult to memorize, it is prudent that every aspiring engineer and technician involved in design for EMC at least have a rudimentary understanding of what capacitor technologies are available.
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